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// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
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// KIND, either express or implied. See the License for the
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package org.apache.cloudstack.engine.datacenter.entity.api.db.dao;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.ejb.Local;
import javax.inject.Inject;
import org.apache.log4j.Logger;
import org.springframework.stereotype.Component;
import org.apache.cloudstack.engine.datacenter.entity.api.DataCenterResourceEntity;
import org.apache.cloudstack.engine.datacenter.entity.api.DataCenterResourceEntity.State;
import org.apache.cloudstack.engine.datacenter.entity.api.DataCenterResourceEntity.State.Event;
import org.apache.cloudstack.engine.datacenter.entity.api.db.EngineClusterVO;
import org.apache.cloudstack.engine.datacenter.entity.api.db.EngineHostPodVO;
import com.cloud.hypervisor.Hypervisor.HypervisorType;
import com.cloud.org.Grouping;
import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.GenericSearchBuilder;
import com.cloud.utils.db.JoinBuilder;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.utils.db.SearchCriteria.Func;
import com.cloud.utils.db.SearchCriteria.Op;
import com.cloud.utils.db.TransactionLegacy;
import com.cloud.utils.db.UpdateBuilder;
import com.cloud.utils.exception.CloudRuntimeException;
@Component(value = "EngineClusterDao")
@Local(value = EngineClusterDao.class)
public class EngineClusterDaoImpl extends GenericDaoBase<EngineClusterVO, Long> implements EngineClusterDao {
private static final Logger s_logger = Logger.getLogger(EngineClusterDaoImpl.class);
protected final SearchBuilder<EngineClusterVO> PodSearch;
protected final SearchBuilder<EngineClusterVO> HyTypeWithoutGuidSearch;
protected final SearchBuilder<EngineClusterVO> AvailHyperSearch;
protected final SearchBuilder<EngineClusterVO> ZoneSearch;
protected final SearchBuilder<EngineClusterVO> ZoneHyTypeSearch;
protected SearchBuilder<EngineClusterVO> StateChangeSearch;
protected SearchBuilder<EngineClusterVO> UUIDSearch;
private static final String GET_POD_CLUSTER_MAP_PREFIX = "SELECT pod_id, id FROM cloud.cluster WHERE cluster.id IN( ";
private static final String GET_POD_CLUSTER_MAP_SUFFIX = " )";
@Inject
protected EngineHostPodDao _hostPodDao;
protected EngineClusterDaoImpl() {
super();
HyTypeWithoutGuidSearch = createSearchBuilder();
HyTypeWithoutGuidSearch.and("hypervisorType", HyTypeWithoutGuidSearch.entity().getHypervisorType(), SearchCriteria.Op.EQ);
HyTypeWithoutGuidSearch.and("guid", HyTypeWithoutGuidSearch.entity().getGuid(), SearchCriteria.Op.NULL);
HyTypeWithoutGuidSearch.done();
ZoneHyTypeSearch = createSearchBuilder();
ZoneHyTypeSearch.and("hypervisorType", ZoneHyTypeSearch.entity().getHypervisorType(), SearchCriteria.Op.EQ);
ZoneHyTypeSearch.and("dataCenterId", ZoneHyTypeSearch.entity().getDataCenterId(), SearchCriteria.Op.EQ);
ZoneHyTypeSearch.done();
PodSearch = createSearchBuilder();
PodSearch.and("pod", PodSearch.entity().getPodId(), SearchCriteria.Op.EQ);
PodSearch.and("name", PodSearch.entity().getName(), SearchCriteria.Op.EQ);
PodSearch.done();
ZoneSearch = createSearchBuilder();
ZoneSearch.and("dataCenterId", ZoneSearch.entity().getDataCenterId(), SearchCriteria.Op.EQ);
ZoneSearch.groupBy(ZoneSearch.entity().getHypervisorType());
ZoneSearch.done();
AvailHyperSearch = createSearchBuilder();
AvailHyperSearch.and("zoneId", AvailHyperSearch.entity().getDataCenterId(), SearchCriteria.Op.EQ);
AvailHyperSearch.select(null, Func.DISTINCT, AvailHyperSearch.entity().getHypervisorType());
AvailHyperSearch.done();
UUIDSearch = createSearchBuilder();
UUIDSearch.and("uuid", UUIDSearch.entity().getUuid(), SearchCriteria.Op.EQ);
UUIDSearch.done();
StateChangeSearch = createSearchBuilder();
StateChangeSearch.and("id", StateChangeSearch.entity().getId(), SearchCriteria.Op.EQ);
StateChangeSearch.and("state", StateChangeSearch.entity().getState(), SearchCriteria.Op.EQ);
StateChangeSearch.done();
}
@Override
public List<EngineClusterVO> listByZoneId(long zoneId) {
SearchCriteria<EngineClusterVO> sc = ZoneSearch.create();
sc.setParameters("dataCenterId", zoneId);
return listBy(sc);
}
@Override
public List<EngineClusterVO> listByPodId(long podId) {
SearchCriteria<EngineClusterVO> sc = PodSearch.create();
sc.setParameters("pod", podId);
return listBy(sc);
}
@Override
public EngineClusterVO findBy(String name, long podId) {
SearchCriteria<EngineClusterVO> sc = PodSearch.create();
sc.setParameters("pod", podId);
sc.setParameters("name", name);
return findOneBy(sc);
}
@Override
public List<EngineClusterVO> listByHyTypeWithoutGuid(String hyType) {
SearchCriteria<EngineClusterVO> sc = HyTypeWithoutGuidSearch.create();
sc.setParameters("hypervisorType", hyType);
return listBy(sc);
}
@Override
public List<EngineClusterVO> listByDcHyType(long dcId, String hyType) {
SearchCriteria<EngineClusterVO> sc = ZoneHyTypeSearch.create();
sc.setParameters("dataCenterId", dcId);
sc.setParameters("hypervisorType", hyType);
return listBy(sc);
}
@Override
public List<HypervisorType> getAvailableHypervisorInZone(Long zoneId) {
SearchCriteria<EngineClusterVO> sc = AvailHyperSearch.create();
if (zoneId != null) {
sc.setParameters("zoneId", zoneId);
}
List<EngineClusterVO> clusters = listBy(sc);
List<HypervisorType> hypers = new ArrayList<HypervisorType>(4);
for (EngineClusterVO cluster : clusters) {
hypers.add(cluster.getHypervisorType());
}
return hypers;
}
@Override
public Map<Long, List<Long>> getPodClusterIdMap(List<Long> clusterIds) {
TransactionLegacy txn = TransactionLegacy.currentTxn();
PreparedStatement pstmt = null;
Map<Long, List<Long>> result = new HashMap<Long, List<Long>>();
try {
StringBuilder sql = new StringBuilder(GET_POD_CLUSTER_MAP_PREFIX);
if (clusterIds.size() > 0) {
for (Long clusterId : clusterIds) {
sql.append(clusterId).append(",");
}
sql.delete(sql.length() - 1, sql.length());
sql.append(GET_POD_CLUSTER_MAP_SUFFIX);
}
pstmt = txn.prepareAutoCloseStatement(sql.toString());
ResultSet rs = pstmt.executeQuery();
while (rs.next()) {
Long podId = rs.getLong(1);
Long clusterIdInPod = rs.getLong(2);
if (result.containsKey(podId)) {
List<Long> clusterList = result.get(podId);
clusterList.add(clusterIdInPod);
result.put(podId, clusterList);
} else {
List<Long> clusterList = new ArrayList<Long>();
clusterList.add(clusterIdInPod);
result.put(podId, clusterList);
}
}
return result;
} catch (SQLException e) {
throw new CloudRuntimeException("DB Exception on: " + GET_POD_CLUSTER_MAP_PREFIX, e);
} catch (Throwable e) {
throw new CloudRuntimeException("Caught: " + GET_POD_CLUSTER_MAP_PREFIX, e);
}
}
@Override
public List<Long> listDisabledClusters(long zoneId, Long podId) {
GenericSearchBuilder<EngineClusterVO, Long> clusterIdSearch = createSearchBuilder(Long.class);
clusterIdSearch.selectFields(clusterIdSearch.entity().getId());
clusterIdSearch.and("dataCenterId", clusterIdSearch.entity().getDataCenterId(), Op.EQ);
if (podId != null) {
clusterIdSearch.and("podId", clusterIdSearch.entity().getPodId(), Op.EQ);
}
clusterIdSearch.and("allocationState", clusterIdSearch.entity().getAllocationState(), Op.EQ);
clusterIdSearch.done();
SearchCriteria<Long> sc = clusterIdSearch.create();
sc.addAnd("dataCenterId", SearchCriteria.Op.EQ, zoneId);
if (podId != null) {
sc.addAnd("podId", SearchCriteria.Op.EQ, podId);
}
sc.addAnd("allocationState", SearchCriteria.Op.EQ, Grouping.AllocationState.Disabled);
return customSearch(sc, null);
}
@Override
public List<Long> listClustersWithDisabledPods(long zoneId) {
GenericSearchBuilder<EngineHostPodVO, Long> disabledPodIdSearch = _hostPodDao.createSearchBuilder(Long.class);
disabledPodIdSearch.selectFields(disabledPodIdSearch.entity().getId());
disabledPodIdSearch.and("dataCenterId", disabledPodIdSearch.entity().getDataCenterId(), Op.EQ);
disabledPodIdSearch.and("allocationState", disabledPodIdSearch.entity().getAllocationState(), Op.EQ);
GenericSearchBuilder<EngineClusterVO, Long> clusterIdSearch = createSearchBuilder(Long.class);
clusterIdSearch.selectFields(clusterIdSearch.entity().getId());
clusterIdSearch.join("disabledPodIdSearch", disabledPodIdSearch, clusterIdSearch.entity().getPodId(), disabledPodIdSearch.entity().getId(),
JoinBuilder.JoinType.INNER);
clusterIdSearch.done();
SearchCriteria<Long> sc = clusterIdSearch.create();
sc.setJoinParameters("disabledPodIdSearch", "dataCenterId", zoneId);
sc.setJoinParameters("disabledPodIdSearch", "allocationState", Grouping.AllocationState.Disabled);
return customSearch(sc, null);
}
@Override
public boolean remove(Long id) {
TransactionLegacy txn = TransactionLegacy.currentTxn();
txn.start();
EngineClusterVO cluster = createForUpdate();
cluster.setName(null);
cluster.setGuid(null);
update(id, cluster);
boolean result = super.remove(id);
txn.commit();
return result;
}
@Override
public boolean updateState(State currentState, Event event, State nextState, DataCenterResourceEntity clusterEntity, Object data) {
EngineClusterVO vo = findById(clusterEntity.getId());
Date oldUpdatedTime = vo.getLastUpdated();
SearchCriteria<EngineClusterVO> sc = StateChangeSearch.create();
sc.setParameters("id", vo.getId());
sc.setParameters("state", currentState);
UpdateBuilder builder = getUpdateBuilder(vo);
builder.set(vo, "state", nextState);
builder.set(vo, "lastUpdated", new Date());
int rows = update(vo, sc);
if (rows == 0 && s_logger.isDebugEnabled()) {
EngineClusterVO dbCluster = findByIdIncludingRemoved(vo.getId());
if (dbCluster != null) {
StringBuilder str = new StringBuilder("Unable to update ").append(vo.toString());
str.append(": DB Data={id=")
.append(dbCluster.getId())
.append("; state=")
.append(dbCluster.getState())
.append(";updatedTime=")
.append(dbCluster.getLastUpdated());
str.append(": New Data={id=")
.append(vo.getId())
.append("; state=")
.append(nextState)
.append("; event=")
.append(event)
.append("; updatedTime=")
.append(vo.getLastUpdated());
str.append(": stale Data={id=")
.append(vo.getId())
.append("; state=")
.append(currentState)
.append("; event=")
.append(event)
.append("; updatedTime=")
.append(oldUpdatedTime);
} else {
s_logger.debug("Unable to update dataCenter: id=" + vo.getId() + ", as there is no such dataCenter exists in the database anymore");
}
}
return rows > 0;
}
}